Industrial Crane Systems
Illinois

NNW, Inc. has designed support steel and foundations for an average of 15 overhead cranes per year ranging from ¼ to 15-ton capacity for industrial clients.  These cranes span up to 40 feet and some are 100 feet long.

Delta IV Shell Fabrication Mezzanines
Irvine, California

NNW, Inc. performed the structural design of twin four story mezzanines for the welding fabrication of Boeing’s Delta IV rockets.  The 43-foot tall mezzanines were connected by a 70-foot long bridge.  Each 37,000 square foot structure was designed for seismic zone 1.  The purpose of the mezzanines is welding fabrication of the shell of the 20-foot diameter rocket body and is located in the new 2 million square foot rocket assembly plant in Decatur, Georgia.

Fly Ash Storage Silos
Cedar Rapids, Iowa

NNW, Inc. designed two 6,000-ton fly ash silos for the IES Prairie Creek Power Station in Cedar Rapids.  The 45-foot tall silos were supported 23 feet off the ground to clear trucks and unloading equipment.  The structure was founded on a raft foundation.